Microwave resonator accelerometer
US5351541A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jan 22, 1992 |
| Grant date | Oct 4, 1994 |
| Priority date | — |
| Expiry date | Jan 22, 2012 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01P15/08
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A microwave resonator accelerometer including a microwave resonant cavity having a predetermined resonant frequency; the cavity including a flexible portion; a proof mass fixed to the flexible portion for changing the geometry and establishing a new resonant frequency of the cavity in response to an acceleration force on the proof mass; a microwave frequency signal at or approximately at the predetermined resonant frequency coupled to the cavity; and a discrimination circuit, responsive to the reflected microwave signal from the cavity, for discriminating a shift in the predetermined resonant frequency of the cavity to a new resonant frequency effected by the change in geometry of the cavity resulting from the acceleration force on the proof mass.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.